AirHint found the following cheapest return flights from Osaka (ITM) to London (LHR) in December 2025 (see full year).

Return flights

23 Dec - 07 Jan	Japan Airlines
22 Dec - 09 Jan	Japan Airlines
15 Dec - 13 Jan	Japan Airlines
15 Dec - 12 Jan	Japan Airlines
19 Dec - 26 Dec	Japan Airlines
02 Dec - 09 Dec	Japan Airlines
02 Dec - 06 Dec	Japan Airlines
01 Dec - 09 Dec	Japan Airlines
21 Dec - 30 Dec	Japan Airlines
15 Dec - 05 Jan	ANA
22 Dec - 05 Jan	ANA
15 Dec - 21 Dec	Japan Airlines
30 Dec - 07 Jan	Finnair
20 Dec - 27 Dec	Japan Airlines
08 Dec - 12 Dec	Japan Airlines
21 Dec - 06 Jan	Japan Airlines
31 Dec - 07 Jan	Finnair
31 Dec - 10 Jan	Japan Airlines
14 Dec - 21 Dec	Japan Airlines
16 Dec - 31 Dec	Japan Airlines

Also check the deals for one-way flights from Osaka to London in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Osaka to London in December from 1048€

Return flights